Function sa_create

dpdk/examples/ipsec-secgw/sa.c:1074–1111

}

static struct sa_ctx *
sa_create(const char *name, int32_t socket_id, uint32_t nb_sa)
{
	char s[PATH_MAX];
	struct sa_ctx *sa_ctx;
	uint32_t mz_size;
	const struct rte_memzone *mz;

	snprintf(s, sizeof(s), "%s_%u", name, socket_id);

	/* Create SA context */
	printf("Creating SA context with %u maximum entries on socket %d\n",
			nb_sa, socket_id);

	mz_size = sizeof(struct ipsec_xf) * nb_sa;
	mz = rte_memzone_reserve(s, mz_size, socket_id,
			RTE_MEMZONE_1GB | RTE_MEMZONE_SIZE_HINT_ONLY);
	if (mz == NULL) {
		printf("Failed to allocate SA XFORM memory\n");
		rte_errno = ENOMEM;
		return NULL;
	}

	sa_ctx = rte_zmalloc(NULL, sizeof(struct sa_ctx) +
		sizeof(struct ipsec_sa) * nb_sa, RTE_CACHE_LINE_SIZE);

	if (sa_ctx == NULL) {
		printf("Failed to allocate SA CTX memory\n");
		rte_errno = ENOMEM;
		rte_memzone_free(mz);
		return NULL;
	}

	sa_ctx->xf = (struct ipsec_xf *)mz->addr;
	sa_ctx->nb_sa = nb_sa;

	return sa_ctx;
}

static int
check_eth_dev_caps(uint16_t portid, uint32_t inbound, uint32_t tso)